Permanently redirecting all output to other device linux, with exec command

permanently redirecting all output to other device linux use exec to redirect output redirect console output to tty
 * what I wished
 * this is the search string I couldn't come up with:
 * a related concept, but definitely not the same thing:

And it is done like this: exec 1> name.of.file

or like this: exec 1> /dev/pts8

With the last command you could chat from one tty to another. Even using an SSH login!